Logan T.
asked • 04/07/22The length of a photograph is 3 cm less than twice the width. If the area is 104 cm, find the dimensions of the photograph.
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1 Expert Answer
Raymond B. answered • 04/07/22
Tutor
5
(2)
Math, microeconomics or criminal justice
L = 2W - 3
A =LW = (2W-3)W = 2W^2 -3W = 104
2W^2 -3W -104 = 0
(2W +13)(W-8) = 0
W= 8 cm or (ignore the negative solution)
W= -13/2 = - 6 1/2 cm
L= 2W - 3 = 2(8) -3 = 13 cm
Area = A = LW = 13(8) = 104 cm^2
dimensions are 8 cm by 13 cm
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Logan T.
Please answer it fast....04/07/22